نتایج جستجو برای: methyl methacrylate

تعداد نتایج: 117157  

Journal: :Chimica techno acta 2021

Chitosan and poly(methyl methacrylate) (PMMA) composites were synthesized by polymerization with heating mechanochemical method. The obtained polymer analyzed the ATR FT-IR spectroscopy presence of intermolecular hydrogen bonds hydrophobic interactions in formation PMMA chitosan was shown.

Journal: :Journal of Photopolymer Science and Technology 2022

We prepared polysilane–methacrylate copolymers using polysilane as the photoradical initiator. As polymerization is a radical reaction, chemical structures of arrangement block and methacrylate have not yet been clarified various analytical methods. In this study, polysilane–(1-pyrene)methyl were to examine their structure by photoluminescence measurements because pyrene units exhibit fluoresce...

Journal: :Asian pacific journal of dentistry 2022

Purpose: A radiopaque self-polymerizing adhesive resin was prepared by incorporating bismuth subcarbonate-poly(methyl methacrylate) prepolymerized composite (BS-PMMA) into an acrylic resin. The purpose of this study to evaluate the radiopacity resins.Methods: As a component, containing 50% subcarbonate used, and other metal compounds were adopted as controls. They added finely pulverized PMMA. ...

Journal: :Macromolecular Reaction Engineering 2021

Abstract A process for the well‐controlled growth of acrylates by Cu‐mediated polymerization has been developed, with macroinitiator synthesized continuously in a copper tubular reactor and subsequently chain‐extended semibatch without additional copper. Extending this to methacrylates styrene, however, proven difficult due significant reduction reaction rate. This barrier overcome chain‐extend...

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